/* ============================================================
   TOUR MANAGEMENT SYSTEM — Main Stylesheet
   Color Scheme: Amber (#F5A623) sidebar, Navy (#1B2A4A) accents
   ============================================================ */

:root {
  --amber:        #F5A623;
  --amber-dark:   #D4900A;
  --amber-light:  #FBD07C;
  --navy:         #1B2A4A;
  --navy-light:   #2C3E6B;
  --bg:           #F0F2F5;
  --white:        #FFFFFF;
  --text-dark:    #1B2A4A;
  --text-muted:   #6B7A99;
  --border:       #E2E8F0;
  --success:      #28A745;
  --danger:       #DC3545;
  --warning:      #FFC107;
  --info:         #17A2B8;
  --sidebar-w:    280px;
  --topbar-h:     64px;
  --radius:       12px;
  --radius-sm:    8px;
  --shadow:       0 2px 12px rgba(27,42,74,0.08);
  --shadow-lg:    0 8px 32px rgba(27,42,74,0.14);
  --transition:   all 0.22s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-dark);
  font-size: 15px;
  line-height: 1.6;
}

/* ---- SIDEBAR ---- */
.sidebar {
  position: fixed; top: 0; left: 0;
  width: var(--sidebar-w); height: 100vh;
  background: var(--amber);
  display: flex; flex-direction: column;
  z-index: 100; overflow-y: auto;
  transition: var(--transition);
}
.sidebar-brand {
  padding: 24px 20px;
  font-size: 1.2rem; font-weight: 700;
  color: var(--navy); letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(27,42,74,0.12);
  display: flex; align-items: center; gap: 10px;
}
.sidebar-brand img { width: 36px; height: 36px; border-radius: 8px; }
.sidebar-brand span { line-height: 1.2; }

.sidebar-section-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--navy); opacity: 0.65;
  padding: 18px 20px 6px;
  display: flex; align-items: center; gap: 6px;
}
.sidebar-section-label::before {
  content: ''; width: 6px; height: 6px;
  background: var(--navy); border-radius: 50%; opacity: 0.7;
}

.sidebar-nav { list-style: none; padding: 6px 12px; flex: 1; }
.sidebar-nav li { margin-bottom: 4px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border-radius: var(--radius);
  text-decoration: none; color: var(--navy);
  font-weight: 500; transition: var(--transition);
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.45); }
.sidebar-nav a.active {
  background: var(--white); color: var(--navy);
  box-shadow: var(--shadow); font-weight: 600;
}
.sidebar-nav a .nav-icon {
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  background: var(--navy); color: var(--amber);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.sidebar-nav a.active .nav-icon { background: var(--navy); }
.sidebar-nav a .nav-text { font-size: 14px; line-height: 1.2; }
.sidebar-nav a .nav-text small {
  display: block; font-size: 11px;
  font-weight: 400; opacity: 0.65;
}

/* ---- TOPBAR ---- */
.topbar {
  position: fixed; top: 0; left: var(--sidebar-w); right: 0;
  height: var(--topbar-h); background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 28px; gap: 16px;
  z-index: 99; box-shadow: 0 1px 4px rgba(27,42,74,0.05);
}
.topbar-title {
  font-size: 1.35rem; font-weight: 700; color: var(--navy); flex: 1;
}
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.topbar-time { font-size: 13px; color: var(--text-muted); }
.topbar-icon-btn {
  width: 38px; height: 38px; border: none; background: none;
  border-radius: 50%; cursor: pointer; font-size: 18px;
  color: var(--text-muted); display: flex; align-items: center;
  justify-content: center; transition: var(--transition);
}
.topbar-icon-btn:hover { background: var(--bg); color: var(--navy); }
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--navy); color: var(--amber);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; cursor: pointer;
  text-decoration: none;
}

/* ---- MAIN CONTENT ---- */
.main-content {
  margin-left: var(--sidebar-w);
  padding-top: var(--topbar-h);
  min-height: 100vh;
}
.page-content { padding: 28px; }

/* ---- PAGE HEADER CARD ---- */
.page-header-card {
  background: var(--white); border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 24px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: var(--shadow);
}
.page-header-icon {
  width: 42px; height: 42px; border-radius: var(--radius-sm);
  background: var(--navy); color: var(--amber);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.page-header-title { font-size: 1.2rem; font-weight: 700; color: var(--navy); }
.page-header-sub { font-size: 13px; color: var(--text-muted); }
.page-header-actions { margin-left: auto; display: flex; gap: 10px; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 20px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; cursor: pointer;
  border: 2px solid transparent; text-decoration: none;
  transition: var(--transition); white-space: nowrap;
}
.btn-primary { background: var(--amber-dark); color: var(--white); border-color: var(--amber-dark); }
.btn-primary:hover { background: #b87800; border-color: #b87800; }
.btn-navy { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-navy:hover { background: var(--navy-light); border-color: var(--navy-light); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--border); }
.btn-outline:hover { background: var(--bg); }
.btn-danger { background: var(--danger); color: var(--white); border-color: var(--danger); }
.btn-danger:hover { background: #b02a37; }
.btn-success { background: var(--success); color: var(--white); border-color: var(--success); }
.btn-sm { padding: 5px 13px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 16px; }

/* ---- CARDS & STAT CARDS ---- */
.card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.card-header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 15px; color: var(--navy);
}
.card-body { padding: 20px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 18px; margin-bottom: 24px; }
.stat-card {
  background: var(--white); border-radius: var(--radius);
  padding: 22px 20px; box-shadow: var(--shadow);
  display: flex; align-items: flex-start; gap: 16px;
}
.stat-icon {
  width: 50px; height: 50px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.stat-icon.amber { background: rgba(245,166,35,0.15); color: var(--amber-dark); }
.stat-icon.navy  { background: rgba(27,42,74,0.10);  color: var(--navy); }
.stat-icon.green { background: rgba(40,167,69,0.12);  color: var(--success); }
.stat-icon.red   { background: rgba(220,53,69,0.12);  color: var(--danger); }
.stat-value { font-size: 1.8rem; font-weight: 800; color: var(--navy); line-height: 1; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.stat-change { font-size: 12px; margin-top: 6px; }
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ---- TABLES ---- */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead tr { background: var(--bg); }
th { padding: 11px 14px; text-align: left; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.7px; color: var(--text-muted); border-bottom: 2px solid var(--border); white-space: nowrap; }
td { padding: 13px 14px; border-bottom: 1px solid var(--border); font-size: 14px; vertical-align: middle; }
tbody tr:hover { background: rgba(245,166,35,0.04); }
tbody tr:last-child td { border-bottom: none; }

/* ---- BADGES ---- */
.badge {
  display: inline-flex; align-items: center; padding: 3px 10px;
  border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}
.badge-success  { background: rgba(40,167,69,0.12);  color: var(--success); }
.badge-danger   { background: rgba(220,53,69,0.12);  color: var(--danger); }
.badge-warning  { background: rgba(255,193,7,0.15);  color: #7d5a00; }
.badge-info     { background: rgba(23,162,184,0.12); color: var(--info); }
.badge-navy     { background: rgba(27,42,74,0.10);   color: var(--navy); }
.badge-amber    { background: rgba(245,166,35,0.18); color: var(--amber-dark); }

/* ---- FORMS ---- */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; color: var(--navy); }
.form-label span.req { color: var(--danger); margin-left: 2px; }
.form-control {
  width: 100%; padding: 10px 14px; border: 2px solid var(--border);
  border-radius: var(--radius-sm); font-size: 14px; color: var(--text-dark);
  background: var(--white); transition: var(--transition); outline: none;
}
.form-control:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(245,166,35,0.15); }
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { cursor: pointer; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ---- ALERTS ---- */
.alert {
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 14px; margin-bottom: 16px; border-left: 4px solid;
  display: flex; align-items: flex-start; gap: 10px;
}
.alert-success { background: rgba(40,167,69,0.08);  border-color: var(--success); color: #155724; }
.alert-danger   { background: rgba(220,53,69,0.08);  border-color: var(--danger);  color: #721c24; }
.alert-warning  { background: rgba(255,193,7,0.12);  border-color: var(--warning); color: #7d5a00; }
.alert-info     { background: rgba(23,162,184,0.08); border-color: var(--info);    color: #0c5460; }

/* ---- MODALS ---- */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(27,42,74,0.55); z-index: 1000;
  align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white); border-radius: var(--radius);
  width: 100%; max-width: 600px; max-height: 90vh;
  overflow-y: auto; box-shadow: var(--shadow-lg);
  animation: modalIn 0.2s ease;
}
.modal-lg { max-width: 860px; }
@keyframes modalIn { from { transform: translateY(-20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header {
  padding: 18px 22px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px; background: var(--navy);
}
.modal-header h3 { color: var(--white); font-size: 1rem; font-weight: 700; flex: 1; }
.modal-close {
  background: none; border: none; color: rgba(255,255,255,0.7);
  font-size: 22px; cursor: pointer; padding: 0 4px; line-height: 1;
}
.modal-close:hover { color: var(--white); }
.modal-body { padding: 22px; }
.modal-footer {
  padding: 14px 22px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px; background: var(--bg);
}

/* ---- TABS ---- */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 22px; }
.tab-btn {
  padding: 10px 18px; background: none; border: none; cursor: pointer;
  font-size: 14px; font-weight: 600; color: var(--text-muted);
  border-bottom: 3px solid transparent; margin-bottom: -2px;
  transition: var(--transition); border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.tab-btn:hover { color: var(--navy); background: rgba(245,166,35,0.07); }
.tab-btn.active { color: var(--amber-dark); border-bottom-color: var(--amber-dark); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---- SEARCH & FILTER BAR ---- */
.filter-bar {
  background: var(--white); border-radius: var(--radius);
  padding: 16px 20px; margin-bottom: 20px;
  display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end;
  box-shadow: var(--shadow);
}
.filter-bar .form-group { margin-bottom: 0; flex: 1; min-width: 150px; }

/* ---- TOUR CARDS (user side) ---- */
.tour-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.tour-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  transition: var(--transition); cursor: pointer;
}
.tour-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tour-card-img { position: relative; height: 200px; overflow: hidden; background: var(--bg); }
.tour-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.tour-card:hover .tour-card-img img { transform: scale(1.04); }
.tour-card-badge { position: absolute; top: 12px; left: 12px; }
.tour-card-body { padding: 16px; }
.tour-card-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.tour-card-dest { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 4px; margin-bottom: 10px; }
.tour-card-meta { display: flex; gap: 14px; font-size: 12px; color: var(--text-muted); margin-bottom: 12px; }
.tour-card-meta span { display: flex; align-items: center; gap: 4px; }
.tour-card-price { display: flex; align-items: baseline; gap: 8px; }
.tour-card-price .price { font-size: 1.3rem; font-weight: 800; color: var(--amber-dark); }
.tour-card-price .per-pax { font-size: 12px; color: var(--text-muted); }
.tour-card-price .old-price { font-size: 13px; color: var(--text-muted); text-decoration: line-through; }
.tour-card-footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.star-rating { color: var(--amber); font-size: 13px; display: flex; align-items: center; gap: 3px; }

/* ---- PAGINATION ---- */
.pagination { display: flex; gap: 6px; justify-content: center; padding: 20px 0; }
.pagination a, .pagination span {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 14px; font-weight: 600;
  border: 2px solid var(--border); color: var(--text-muted); transition: var(--transition);
}
.pagination a:hover { border-color: var(--amber); color: var(--amber-dark); }
.pagination .current { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* ---- UTILITIES ---- */
.text-muted { color: var(--text-muted); }
.text-amber { color: var(--amber-dark); }
.text-navy  { color: var(--navy); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.fw-700 { font-weight: 700; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.gap-2 { gap: 0.5rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-100 { width: 100%; }
.img-upload-area {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 30px; text-align: center; cursor: pointer;
  transition: var(--transition); background: var(--bg);
}
.img-upload-area:hover { border-color: var(--amber); background: rgba(245,166,35,0.04); }
.img-upload-area i { font-size: 36px; color: var(--text-muted); display: block; margin-bottom: 8px; }

/* ---- AUTH PAGES ---- */
.auth-page {
  min-height: 100vh; background: var(--bg);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.auth-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); width: 100%; max-width: 440px; overflow: hidden;
}
.auth-header {
  background: var(--amber); padding: 28px 32px;
  text-align: center; color: var(--navy);
}
.auth-header h1 { font-size: 1.5rem; font-weight: 800; }
.auth-header p { font-size: 14px; opacity: 0.8; margin-top: 4px; }
.auth-body { padding: 28px 32px; }
.auth-footer { padding: 16px 32px; background: var(--bg); text-align: center; font-size: 13px; color: var(--text-muted); border-top: 1px solid var(--border); }
.auth-footer a { color: var(--amber-dark); font-weight: 600; text-decoration: none; }

/* ---- USER NAVBAR (public side) ---- */
.user-navbar {
  background: var(--navy); padding: 0 32px;
  display: flex; align-items: center; height: var(--topbar-h);
  position: sticky; top: 0; z-index: 99; box-shadow: var(--shadow-lg);
}
.user-navbar .brand { color: var(--amber); font-size: 1.25rem; font-weight: 800; text-decoration: none; margin-right: auto; display: flex; align-items: center; gap: 10px; }
.user-navbar .nav-links { display: flex; gap: 6px; }
.user-navbar .nav-links a { color: rgba(255,255,255,0.75); text-decoration: none; padding: 8px 14px; border-radius: var(--radius-sm); font-weight: 500; font-size: 14px; transition: var(--transition); }
.user-navbar .nav-links a:hover, .user-navbar .nav-links a.active { color: var(--white); background: rgba(255,255,255,0.1); }
.user-navbar .nav-links a.btn-amber { background: var(--amber); color: var(--navy); font-weight: 700; }

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, rgba(245,166,35,0.3) 100%);
  padding: 70px 32px; text-align: center; color: var(--white);
}
.hero h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; }
.hero p { font-size: 1.1rem; opacity: 0.85; max-width: 560px; margin: 0 auto 28px; }
.hero-search {
  background: var(--white); border-radius: var(--radius);
  padding: 14px 16px; display: flex; gap: 10px;
  max-width: 700px; margin: 0 auto; box-shadow: var(--shadow-lg);
}
.hero-search .form-control { border: none; background: var(--bg); }
.hero-search .form-control:focus { box-shadow: none; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .topbar { left: 0; }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .tour-grid { grid-template-columns: 1fr; }
  .user-navbar { padding: 0 16px; }
  .hero { padding: 40px 16px; }
  .hero h1 { font-size: 1.7rem; }
}